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The effect of fragment B of staphylococcal protein A on the binding of rabbit IgG to human granulocytes has been examined. When rabbit IgG sensitized sheep erythrocytes (EA) were preincubated with increasing amounts of fragment B, a dose dependent inhibition of rosette formation between the human granulocytes and the treated EA was observed. In contrast, rosette formation between human monocytes and fragment B treated EA was not impaired. These results confirm previous findings which revealed differences in the specificities of the human Fc receptors of these cells. Rabbit IgG was used in place of human IgG for the preparation of the sensitized erythrocytes since human IgG coated human erythrocytes were agglutinated by fragment B, indicating the possibility of a secondary binding site for human IgG in this fragment.
D E Barnett Foster, and
J Sjoquist, and
R H Painter
August 1998,
Molecular biotechnology,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
February 1982,
Molecular immunology,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
December 1983,
FEBS letters,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
November 1997,
Veterinary immunology and immunopathology,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
August 1969,
Biulleten' eksperimental'noi biologii i meditsiny,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
June 1972,
European journal of immunology,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
January 1987,
Protein engineering,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
January 1992,
Acta microbiologica Polonica,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
August 1983,
European journal of immunology,
D E Barnett Foster, and
J Sjoquist, and
R H Painter
May 1986,
European journal of biochemistry,
